A fully integrated continuous-time 50-Hz notch filter with center frequency tunability. - Haixi Li; Jinyong Zhang; Lei Wang 029 (EMBC, 2011)

A novel on-chip soft-started DC-DC buck converter for biomedical applications. - Ai-Ping Yao; Haixi Li; Jingyong Zhang; Lei Wang 029 (BHI, 2012)

A New Technique to Implement Ultra-low Frequency Analog Filters for Electrophysiological Signal Acquisitions. - Haixi Li; Jingyong Zhang; Lei Wang 029 (BSN, 2012)